<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title></title>
		
	</head>
	<body>
		<script>
			console.log(parseFloat("8")+parseInt("8"));
			console.log(11+"number");
			console.log("123abc"-"123");
			console.log(1===2);
			console.log((4>=4)&&(5<=2));
			console.log(160%9);
			var sum=0;
			for(i=1;i<10;i++){
				if(i%5==0)
				break;
				sum+=i;
			}
			console.log(sum);
			var a=3;
			var b=5;
			var c=3;
			var d=8;
			var m=3;
			var n=2;
			console.log((m=a>b)&&(n=c>d));
			// console.log(++a+--b+c+++c);
			var x = 100;
			var y = x++;
			console.log(y);
			console.log(x);
			var a=1,b=1,c=1;
			console.log(2&&b%a||!c);
			var a=2,b=3
			// console.log(a++==b?(a-1):b);
			var arr=[0,1,2,3,4,5,6];
			// arr2=arr.slice(2,5);
			// alert(arr2);
			var x=0;
			var i = 0;
			for(i;i<3;i++){
				document.write("<h1>欢迎访问明日公司网站</h1>");
			}
			var x=0;
			while(x<20){
				x+=2;
				console.log("我跑了一次循环");
			}
		</script>
	</body>
</html>